2EZ19D2/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	19V
Tolerance:	±2%
Power - Max:	2W
Impedance (Max) (Zzt):	11 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 14.4V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	2EZ19

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Introduction to 2EZ19D2/TR8

2EZ19D2/TR8 is a single Zener diode developed by STMicroelectronics. It is intended for automotive, alternative energy, and industrial applications. Its operating principles are based on electron tunneling and voltage regulation in the Zener region.The 2EZ19D2/TR8 is capable of regulating voltages with a precision of ±50 mV between 18 and 28 volts. It can operate up to 130°C and offers up to 200 mA of continuous power dissipation. The diode also has an operating voltage range of -5 to 18 volts, making it suitable for automotive and energy transfer applications.

Applications of 2EZ19D2/TR8

The 2EZ19D2/TR8 is widely used in car electronics, LED lamps, and motor controller components in telecommunication and industrial equipment.In automotive applications, the diode is widely used in power electronics including the management of battery systems, airbag systems, chokes, DCDC converters, and engine control units. It is also used in powertrains, including brake systems and exhaust systems.In alternative energy applications, it is used as a regulator in solar panels and batteries, wind turbines, and wastewater generators. The diode is also widely used in EV charging and EV battery management systems.In industrial applications, it is used in battery packs, electronic meters, RF amplifiers, motors, and UPS systems. The diode is also used for industrial lighting, power conditioning, and power conversion.

Working Principle of 2EZ19D2/TR8

The 2EZ19D2/TR8 works on the principle of electron tunneling. Electrons can tunnel through the depletion region of a p-n junction to reach valence and conduction bands and generate a narrow voltage range. This voltage range is known as the Zener voltage and is the result of a balance between the built-in potential and diffusion potential.The diode acts as an efficient voltage regulator and can maintain a specific voltage, regardless of changes in the input voltage or current. It can maintain a specific voltage until the current reaches a certain threshold and then it breaks down and no current is passed.The 2EZ19D2/TR8 is also capable of generating a current which is directly proportional to the Zener voltage. This current is known as the Zener current. The diode also has an anti-parallel metal oxide film which prevents extreme temperatures.

Conclusion

The 2EZ19D2/TR8 is a single Zener diode developed by STMicroelectronics. It is used in power electronics and alternative energy applications. Its operating principles are based on electron tunneling and voltage regulation in the Zener region. The diode is capable of regulating voltages with a precision of ±50 mV between 18 and 28 volts and can operate up to 130°C. It also has an operating voltage range of -5 to 18 volts and offers up to 200 mA of continuous power dissipation. The 2EZ19D2/TR8 is an efficient voltage regulator and is widely used in automotive and alternative energy applications.

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